71399640080

素因数分解:

$2^4\times 5^1\times {\mathrm{892495501}}^1$

素因数の和:892495514

約数の個数: 20

約数和(自身を含む): 166004163372

約数和(自身を除く): 94604523292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 892495501, 1784991002, 3569982004, 4462477505, 7139964008, 8924955010, 14279928016, 17849910020, 35699820040, 71399640080]

約数ペア:

[(1, 71399640080), (2, 35699820040), (4, 17849910020), (5, 14279928016), (8, 8924955010), (10, 7139964008), (16, 4462477505), (20, 3569982004), (40, 1784991002), (80, 892495501)]